klte: Drop all of our releasetools stuff

* The OSS RIL gets us down to a single blob that we can instruct
  rild to make use of using a property. We've done that, so this
  has ceased to serve its purpose.

Revert "klte: Add missing case to variant hook"

This reverts commit 98b4bd3fb6.

Revert "klte: releasetools: Add US Cellular to blob ident hook"

This reverts commit 6e4cbaad48.

Revert "klte: releasetools: Import and use variant identification hook"

This reverts commit 998d10641e.

Revert "klte: Use klte-common releasetools extension"

This reverts commit f3be99c236.

Change-Id: I9379a0a516b9d8b137b2b77ca2a8118407e3b77a

BoardConfig.mk

@@ -35,8 +35,5 @@ BOARD_RECOVERYIMAGE_PARTITION_SIZE := 15728640
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2548039680
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 12442369024 # 12442385408 - 16384
 
-# Releasetools
-TARGET_RELEASETOOLS_EXTENSIONS := device/samsung/klte-common/releasetools
-
 # inherit from the proprietary version
 -include vendor/samsung/klte/BoardConfigVendor.mk

device.mk

@@ -36,10 +36,5 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/configs/libnfc-nxp.conf:system/etc/libnfc-nxp.conf \
     $(LOCAL_PATH)/configs/nfcee_access.xml:system/etc/nfcee_access.xml
 
-# Variant blobs script
-PRODUCT_COPY_FILES += \
-    $(LOCAL_PATH)/releasetools/variant_blobs_hook.sh:install/bin/variant_blobs_hook.sh \
-    device/samsung/klte-common/releasetools/variant_blobs.sh:install/bin/variant_blobs.sh
-
 # common klte
 $(call inherit-product, device/samsung/klte-common/klte.mk)

releasetools/variant_blobs_hook.sh

@@ -1,23 +0,0 @@
-#
-# Copyright (C) 2017 The LineageOS Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
-case $BOOTLOADER in
-  G900R*)      VARIANT="usc" ;;
-  G900V*)      VARIANT="vzw" ;;
-  S902L*)      VARIANT="vzw" ;;
-  *)           VARIANT="gsm" ;;
-esac